Create over 100 exciting projects with this awesome science kit, a smaller version of our Electronic Snap Circuits kit. Build a photo sensor, police siren, periodic doorbell, dual speed fan, flashing laser light with sound and then create your own! Color-coded parts that snap together make this kit easy and fun for electronics enthusiasts of all ages. Contains over 30 parts - AA batteries required but not included. Recommended for children 8 years and older.